[Nexus 7 (2013) Q&A] amix:
Thank you for fast answer and help)

This is my log:

c:\platform-tools>fastboot format userdata
mke2fs 1.43.3 (04-Sep-2016)
Creating filesystem with 7044091 4k blocks and 1761280 inodes
Filesystem UUID: 45948ff4-0b16-11e8-84a1-a1849515564b
Superblock backups stored on blocks:
32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208,

4096000

Allocating group tables: done
Writing inode tables: done
Creating journal (32768 blocks): done
Writing superblocks and filesystem accounting information: done

target didn't report max-download-size
erasing 'userdata'...
OKAY [ 0.356s]
sending 'userdata' (4416 KB)...
OKAY [ 0.168s]
writing 'userdata'...
OKAY [ 0.189s]
finished. total time: 0.726s

c:\platform-tools>fastboot format cache
mke2fs 1.43.3 (04-Sep-2016)
Creating filesystem with 143360 4k blocks and 35840 inodes
Filesystem UUID: 4a47c08e-0b16-11e8-9152-bfaa08f93c03
Superblock backups stored on blocks:
32768, 98304

Allocating group tables: done
Writing inode tables: done
Creating journal (4096 blocks): done
Writing superblocks and filesystem accounting information: done

target didn't report max-download-size
erasing 'cache'...
OKAY [ 0.027s]
sending 'cache' (348 KB)...
OKAY [ 0.024s]
writing 'cache'...
OKAY [ 0.035s]
finished. total time: 0.096s

c:\platform-tools>fastboot format persist
Formatting is not supported for file system with type ''.

c:\platform-tools>fastboot getvar all
(bootloader) version-bootloader: FLO-04.08
(bootloader) version-baseband: DEB-Z00_2.44.0_0213
(bootloader) version-hardware: rev_e
(bootloader) version-cdma: N/A
(bootloader) variant: deb 32G
(bootloader) serialno: 089c8767
(bootloader) product: deb
(bootloader) secure_boot: enabled
(bootloader) lock_state: unlocked
(bootloader) project: deb
(bootloader) off-mode-charge: yes
(bootloader) uart-on: no
(bootloader) partition-type:bootloader: emmc
(bootloader) partition-size:bootloader: 0x0000000000aee000
(bootloader) partition-type:recovery: emmc
(bootloader) partition-size:recovery: 0x0000000000a00000
(bootloader) partition-type:boot: emmc
(bootloader) partition-size:boot: 0x0000000001000000
(bootloader) partition-type:system: ext4
(bootloader) partition-size:system: 0x0000000034800000
(bootloader) partition-type:cache: ext4
(bootloader) partition-size:cache: 0x0000000023000000
(bootloader) partition-type:userdata: ext4
(bootloader) partition-size:userdata: 0x00000006b7bfbe00
all:
finished. total time: 0.173s

c:\platform-tools>fastboot oem gpt-info
...
(bootloader) partition[1].name = radio
(bootloader) partition[1].first_lba = 131072
(bootloader) partition[1].last_lba = 306143
(bootloader) partition[1].size 87536 KB
(bootloader) partition[2].name = modemst1
(bootloader) partition[2].first_lba = 393216
(bootloader) partition[2].last_lba = 399359
(bootloader) partition[2].size 3072 KB
(bootloader) partition[3].name = modemst2
(bootloader) partition[3].first_lba = 399360
(bootloader) partition[3].last_lba = 405503
(bootloader) partition[3].size 3072 KB
(bootloader) partition[4].name = persist
(bootloader) partition[4].first_lba = 524288
(bootloader) partition[4].last_lba = 554287
(bootloader) partition[4].size 15000 KB
(bootloader) partition[5].name = m9kefs1
(bootloader) partition[5].first_lba = 655360
(bootloader) partition[5].last_lba = 656919
(bootloader) partition[5].size 780 KB
(bootloader) partition[6].name = m9kefs2
(bootloader) partition[6].first_lba = 656920
(bootloader) partition[6].last_lba = 658479
(bootloader) partition[6].size 780 KB
(bootloader) partition[7].name = m9kefs3
(bootloader) partition[7].first_lba = 786432
(bootloader) partition[7].last_lba = 787991
(bootloader) partition[7].size 780 KB
(bootloader) partition[8].name = fsg
(bootloader) partition[8].first_lba = 787992
(bootloader) partition[8].last_lba = 794135
(bootloader) partition[8].size 3072 KB
(bootloader) partition[9].name = sbl1
(bootloader) partition[9].first_lba = 917504
(bootloader) partition[9].last_lba = 920503
(bootloader) partition[9].size 1500 KB
(bootloader) partition[10].name = sbl2
(bootloader) partition[10].first_lba = 920504
(bootloader) partition[10].last_lba = 923503
(bootloader) partition[10].size 1500 KB
(bootloader) partition[11].name = sbl3
(bootloader) partition[11].first_lba = 923504
(bootloader) partition[11].last_lba = 927599
(bootloader) partition[11].size 2048 KB
(bootloader) partition[12].name = aboot
(bootloader) partition[12].first_lba = 927600
(bootloader) partition[12].last_lba = 937839
(bootloader) partition[12].size 5120 KB
(bootloader) partition[13].name = rpm
(bootloader) partition[13].first_lba = 937840
(bootloader) partition[13].last_lba = 938863
(bootloader) partition[13].size 512 KB
(bootloader) partition[14].name = boot
(bootloader) partition[14].first_lba = 1048576
(bootloader) partition[14].last_lba = 1081343
(bootloader) partition[14].size 16384 KB
(bootloader) partition[15].name = tz
(bootloader) partition[15].first_lba = 1179648
(bootloader) partition[15].last_lba = 1180671
(bootloader) partition[15].size 512 KB
(bootloader) partition[16].name = pad
(bootloader) partition[16].first_lba = 1180672
(bootloader) partition[16].last_lba = 1180673
(bootloader) partition[16].size 1 KB
(bootloader) partition[17].name = sbl2b
(bootloader) partition[17].first_lba = 1180674
(bootloader) partition[17].last_lba = 1183673
(bootloader) partition[17].size 1500 KB
(bootloader) partition[18].name = sbl3b
(bootloader) partition[18].first_lba = 1183674
(bootloader) partition[18].last_lba = 1187769
(bootloader) partition[18].size 2048 KB
(bootloader) partition[19].name = abootb
(bootloader) partition[19].first_lba = 1187770
(bootloader) partition[19].last_lba = 1198009
(bootloader) partition[19].size 5120 KB
(bootloader) partition[20].name = rpmb
(bootloader) partition[20].first_lba = 1198010
(bootloader) partition[20].last_lba = 1199033
(bootloader) partition[20].size 512 KB
(bootloader) partition[21].name = tzb
(bootloader) partition[21].first_lba = 1199034
(bootloader) partition[21].last_lba = 1200057
(bootloader) partition[21].size 512 KB
(bootloader) partition[22].name = system
(bootloader) partition[22].first_lba = 1310720
(bootloader) partition[22].last_lba = 3031039
(bootloader) partition[22].size 860160 KB
(bootloader) partition[23].name = cache
(bootloader) partition[23].first_lba = 3031040
(bootloader) partition[23].last_lba = 4177919
(bootloader) partition[23].size 573440 KB
(bootloader) partition[24].name = misc
(bootloader) partition[24].first_lba = 4194304
(bootloader) partition[24].last_lba = 4196351
(bootloader) partition[24].size 1024 KB
(bootloader) partition[25].name = recovery
(bootloader) partition[25].first_lba = 4325376
(bootloader) partition[25].last_lba = 4345855
(bootloader) partition[25].size 10240 KB
(bootloader) partition[26].name = DDR
(bootloader) partition[26].first_lba = 4456448
(bootloader) partition[26].last_lba = 4456463
(bootloader) partition[26].size 8 KB
(bootloader) partition[27].name = ssd
(bootloader) partition[27].first_lba = 4456464
(bootloader) partition[27].last_lba = 4456479
(bootloader) partition[27].size 8 KB
(bootloader) partition[28].name = m9kefsc
(bootloader) partition[28].first_lba = 4456480
(bootloader) partition[28].last_lba = 4456481
(bootloader) partition[28].size 1 KB
(bootloader) partition[29].name = metadata
(bootloader) partition[29].first_lba = 4587520
(bootloader) partition[29].last_lba = 4587583
(bootloader) partition[29].size 32 KB
(bootloader) partition[30].name = userdata
(bootloader) partition[30].first_lba = 4718592
(bootloader) partition[30].last_lba = 61071326
(bootloader) partition[30].size 28176367 KB
(bootloader) partition[31].name =
(bootloader) partition[31].first_lba = 0
(bootloader) partition[31].last_lba = 0
(bootloader) partition[31].size 0 KB
(bootloader) partition[32].name =
(bootloader) partition[32].first_lba = 0
(bootloader) partition[32].last_lba = 0
(bootloader) partition[32].size 0 KB
(bootloader) partition[33].name =
(bootloader) partition[33].first_lba = 0
(bootloader) partition[33].last_lba = 0
(bootloader) partition[33].size 0 KB
(bootloader) partition[34].name =
(bootloader) partition[34].first_lba = 0
(bootloader) partition[34].last_lba = 0
(bootloader) partition[34].size 0 KB
(bootloader) partition[35].name =
(bootloader) partition[35].first_lba = 0
(bootloader) partition[35].last_lba = 0
(bootloader) partition[35].size 0 KB
(bootloader) partition[36].name =
(bootloader) partition[36].first_lba = 0
(bootloader) partition[36].last_lba = 0
(bootloader) partition[36].size 0 KB
(bootloader) partition[37].name =
(bootloader) partition[37].first_lba = 0
(bootloader) partition[37].last_lba = 0
(bootloader) partition[37].size 0 KB
OKAY [ 1.800s]
finished. total time: 1.804s

And here is my output fdisk -l command:

Disk /dev/block/mmcblk0: 61071360 sectors, 1148M
Logical sector size: 512
Disk identifier (GUID): 98101b32-bbe2-4bf2-a06e-2bb33d000c20
Partition table holds up to 32 entries
First usable sector is 34, last usable sector is 61071326

Number Start (sector) End (sector) Size Code Name
1 131072 306143 85.4M 0700 radio
2 393216 399359 3072K 0700 modemst1
3 399360 405503 3072K 0700 modemst2
4 524288 554287 14.6M 0700 persist
5 655360 656919 780K 0700 m9kefs1
6 656920 658479 780K 0700 m9kefs2
7 786432 787991 780K 0700 m9kefs3
8 787992 794135 3072K 0700 fsg
9 917504 920503 1500K 0700 sbl1
10 920504 923503 1500K 0700 sbl2
11 923504 927599 2048K 0700 sbl3
12 927600 937839 5120K 0700 aboot
13 937840 938863 512K 0700 rpm
14 1048576 1081343 16.0M 0700 boot
15 1179648 1180671 512K 0700 tz
16 1180672 1180673 1024 0700 pad
17 1180674 1183673 1500K 0700 sbl2b
18 1183674 1187769 2048K 0700 sbl3b
19 1187770 1198009 5120K 0700 abootb
20 1198010 1199033 512K 0700 rpmb
21 1199034 1200057 512K 0700 tzb
22 1310720 3031039 840M 0700 system
23 3031040 4177919 560M 0700 cache
24 4194304 4196351 1024K 0700 misc
25 4325376 4345855 10.0M 0700 recovery
26 4456448 4456463 8192 0700 DDR
27 4456464 4456479 8192 0700 ssd
28 4456480 4456481 1024 0700 m9kefsc
29 4587520 4587583 32768 0700 metadata
30 4718592 61071326 26.8G 0700 userdata